Asunto: Re: interesting endgame with zugzwang (20.8.)
Red is lost. Full defence in most cases is draw vs. one rook, but if one defender is gone the defending player is lost. So in your example black can sacrife a rook for any defender and will win the game. Just try it out at home or try rook vs. two guards at http://www.stosszahn-franken.de/xq-kurs/uebung-lw2.html
(ocultar) Si de repente el sitio se muestra en un lenguaje desconocido, tan sólo pincha con el ratón sobre la bandera de tu idioma para restablecerlo. (pauloaguia) (mostrar todos los consejos)